Sign and submit EscrowCreate Ripple transaction

escrow-create.js

// $ npm install ripple-lib
// $ RIPPLE_SECRET=sECRET RIPPLE_ADDRESS=rADDRESS XRP_AMOUNT=1 EXPIRATION=2017-04-19T00:00:00Z RIPPLE_SERVER="ws://s.altnet.rippletest.net:51233" node escrow-create.js
// For main network, use RIPPLE_SERVER="wss://s1.ripple.com:443"

var ripple = require('ripple-lib')

const ADDRESS = process.env['RIPPLE_ADDRESS']
const SECRET = process.env['RIPPLE_SECRET']
const DEST = process.env['DESTINATION_ADDRESS']
const AMOUNT = process.env['XRP_AMOUNT']
const EXPIRATION = process.env['EXPIRATION']
const IP = process.env['RIPPLE_SERVER']

const api = new ripple.RippleAPI({server: IP});

api.connect().then(() => {
  return api.prepareEscrowCreation(ADDRESS, {
    amount: AMOUNT,
    destination: DEST ? DEST : ADDRESS,
    allowCancelAfter: EXPIRATION
  }).then(prepared => {
    console.log(prepared)
    const signedTransaction = api.sign(prepared.txJSON, SECRET).signedTransaction;
    return api.submit(signedTransaction);
  })
  .then(result => {
    console.log(result)
    process.exit(0);
  })
}).catch(error => {
  console.log(error)
  process.exit(1);
})